bf5c2ccee5
* implements leader key for planck experimental * allows override of leader timeout * adds ability to use the leader key in seq * fixes leader keycode * adds chording prototype * fixes keycode detection * moves music mode to quantum.c * disables chording by default * adds music sequencer functionality * implements audio/music functions in quantum.c * splits up process_action to allow independent processing of actions * merging?
378 lines
14 KiB
C
378 lines
14 KiB
C
#include <stdint.h>
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#include <stdbool.h>
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#include "action.h"
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#include "action_layer.h"
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#include "action_tapping.h"
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#include "keycode.h"
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#include "timer.h"
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#ifdef DEBUG_ACTION
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#include "debug.h"
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#else
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#include "nodebug.h"
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#endif
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#ifndef NO_ACTION_TAPPING
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#define IS_TAPPING() !IS_NOEVENT(tapping_key.event)
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#define IS_TAPPING_PRESSED() (IS_TAPPING() && tapping_key.event.pressed)
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#define IS_TAPPING_RELEASED() (IS_TAPPING() && !tapping_key.event.pressed)
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#define IS_TAPPING_KEY(k) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k)))
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#define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)
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static keyrecord_t tapping_key = {};
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static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};
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static uint8_t waiting_buffer_head = 0;
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static uint8_t waiting_buffer_tail = 0;
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static bool process_tapping(keyrecord_t *record);
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static bool waiting_buffer_enq(keyrecord_t record);
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static void waiting_buffer_clear(void);
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static bool waiting_buffer_typed(keyevent_t event);
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static bool waiting_buffer_has_anykey_pressed(void);
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static void waiting_buffer_scan_tap(void);
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static void debug_tapping_key(void);
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static void debug_waiting_buffer(void);
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void action_tapping_process(keyrecord_t record)
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{
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if (process_tapping(&record)) {
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if (!IS_NOEVENT(record.event)) {
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debug("processed: "); debug_record(record); debug("\n");
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}
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} else {
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if (!waiting_buffer_enq(record)) {
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// clear all in case of overflow.
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debug("OVERFLOW: CLEAR ALL STATES\n");
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clear_keyboard();
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waiting_buffer_clear();
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tapping_key = (keyrecord_t){};
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}
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}
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// process waiting_buffer
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if (!IS_NOEVENT(record.event) && waiting_buffer_head != waiting_buffer_tail) {
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debug("---- action_exec: process waiting_buffer -----\n");
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}
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for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) {
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if (process_tapping(&waiting_buffer[waiting_buffer_tail])) {
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debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");
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debug_record(waiting_buffer[waiting_buffer_tail]); debug("\n\n");
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} else {
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break;
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}
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}
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if (!IS_NOEVENT(record.event)) {
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debug("\n");
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}
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}
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/* Tapping
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*
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* Rule: Tap key is typed(pressed and released) within TAPPING_TERM.
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* (without interfering by typing other key)
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*/
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/* return true when key event is processed or consumed. */
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bool process_tapping(keyrecord_t *keyp)
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{
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keyevent_t event = keyp->event;
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// if tapping
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if (IS_TAPPING_PRESSED()) {
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if (WITHIN_TAPPING_TERM(event)) {
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if (tapping_key.tap.count == 0) {
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if (IS_TAPPING_KEY(event.key) && !event.pressed) {
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// first tap!
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debug("Tapping: First tap(0->1).\n");
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tapping_key.tap.count = 1;
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debug_tapping_key();
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process_record(&tapping_key);
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// copy tapping state
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keyp->tap = tapping_key.tap;
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// enqueue
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return false;
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}
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#if TAPPING_TERM >= 500
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/* Process a key typed within TAPPING_TERM
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* This can register the key before settlement of tapping,
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* useful for long TAPPING_TERM but may prevent fast typing.
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*/
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else if (IS_RELEASED(event) && waiting_buffer_typed(event)) {
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debug("Tapping: End. No tap. Interfered by typing key\n");
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process_record(&tapping_key);
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tapping_key = (keyrecord_t){};
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debug_tapping_key();
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// enqueue
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return false;
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}
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#endif
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/* Process release event of a key pressed before tapping starts
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* Without this unexpected repeating will occur with having fast repeating setting
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* https://github.com/tmk/tmk_keyboard/issues/60
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*/
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else if (IS_RELEASED(event) && !waiting_buffer_typed(event)) {
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// Modifier should be retained till end of this tapping.
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action_t action = layer_switch_get_action(event.key);
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switch (action.kind.id) {
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case ACT_LMODS:
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case ACT_RMODS:
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if (action.key.mods && !action.key.code) return false;
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if (IS_MOD(action.key.code)) return false;
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break;
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case ACT_LMODS_TAP:
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case ACT_RMODS_TAP:
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if (action.key.mods && keyp->tap.count == 0) return false;
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if (IS_MOD(action.key.code)) return false;
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break;
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}
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// Release of key should be process immediately.
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debug("Tapping: release event of a key pressed before tapping\n");
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process_record(keyp);
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return true;
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}
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else {
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// set interrupted flag when other key preesed during tapping
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if (event.pressed) {
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tapping_key.tap.interrupted = true;
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}
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// enqueue
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return false;
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}
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}
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// tap_count > 0
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else {
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if (IS_TAPPING_KEY(event.key) && !event.pressed) {
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debug("Tapping: Tap release("); debug_dec(tapping_key.tap.count); debug(")\n");
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keyp->tap = tapping_key.tap;
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process_record(keyp);
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tapping_key = *keyp;
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debug_tapping_key();
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return true;
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}
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else if (is_tap_key(event.key) && event.pressed) {
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if (tapping_key.tap.count > 1) {
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debug("Tapping: Start new tap with releasing last tap(>1).\n");
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// unregister key
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process_record(&(keyrecord_t){
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.tap = tapping_key.tap,
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.event.key = tapping_key.event.key,
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.event.time = event.time,
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.event.pressed = false
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});
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} else {
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debug("Tapping: Start while last tap(1).\n");
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}
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tapping_key = *keyp;
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waiting_buffer_scan_tap();
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debug_tapping_key();
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return true;
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}
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else {
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if (!IS_NOEVENT(event)) {
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debug("Tapping: key event while last tap(>0).\n");
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}
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process_record(keyp);
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return true;
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}
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}
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}
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// after TAPPING_TERM
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else {
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if (tapping_key.tap.count == 0) {
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debug("Tapping: End. Timeout. Not tap(0): ");
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debug_event(event); debug("\n");
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process_record(&tapping_key);
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tapping_key = (keyrecord_t){};
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debug_tapping_key();
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return false;
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} else {
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if (IS_TAPPING_KEY(event.key) && !event.pressed) {
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debug("Tapping: End. last timeout tap release(>0).");
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keyp->tap = tapping_key.tap;
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process_record(keyp);
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tapping_key = (keyrecord_t){};
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return true;
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}
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else if (is_tap_key(event.key) && event.pressed) {
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if (tapping_key.tap.count > 1) {
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debug("Tapping: Start new tap with releasing last timeout tap(>1).\n");
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// unregister key
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process_record(&(keyrecord_t){
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.tap = tapping_key.tap,
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.event.key = tapping_key.event.key,
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.event.time = event.time,
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.event.pressed = false
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});
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} else {
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debug("Tapping: Start while last timeout tap(1).\n");
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}
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tapping_key = *keyp;
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waiting_buffer_scan_tap();
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debug_tapping_key();
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return true;
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}
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else {
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if (!IS_NOEVENT(event)) {
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debug("Tapping: key event while last timeout tap(>0).\n");
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}
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process_record(keyp);
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return true;
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}
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}
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}
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} else if (IS_TAPPING_RELEASED()) {
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if (WITHIN_TAPPING_TERM(event)) {
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if (event.pressed) {
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if (IS_TAPPING_KEY(event.key)) {
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if (!tapping_key.tap.interrupted && tapping_key.tap.count > 0) {
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// sequential tap.
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keyp->tap = tapping_key.tap;
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if (keyp->tap.count < 15) keyp->tap.count += 1;
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debug("Tapping: Tap press("); debug_dec(keyp->tap.count); debug(")\n");
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process_record(keyp);
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tapping_key = *keyp;
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debug_tapping_key();
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return true;
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} else {
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// FIX: start new tap again
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tapping_key = *keyp;
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return true;
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}
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} else if (is_tap_key(event.key)) {
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// Sequential tap can be interfered with other tap key.
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debug("Tapping: Start with interfering other tap.\n");
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tapping_key = *keyp;
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waiting_buffer_scan_tap();
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debug_tapping_key();
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return true;
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} else {
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// should none in buffer
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// FIX: interrupted when other key is pressed
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tapping_key.tap.interrupted = true;
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process_record(keyp);
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return true;
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}
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} else {
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if (!IS_NOEVENT(event)) debug("Tapping: other key just after tap.\n");
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process_record(keyp);
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return true;
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}
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} else {
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// FIX: process_aciton here?
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// timeout. no sequential tap.
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debug("Tapping: End(Timeout after releasing last tap): ");
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debug_event(event); debug("\n");
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tapping_key = (keyrecord_t){};
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debug_tapping_key();
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return false;
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}
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}
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// not tapping state
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else {
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if (event.pressed && is_tap_key(event.key)) {
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debug("Tapping: Start(Press tap key).\n");
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tapping_key = *keyp;
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waiting_buffer_scan_tap();
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debug_tapping_key();
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return true;
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} else {
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process_record(keyp);
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return true;
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}
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}
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}
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/*
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* Waiting buffer
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*/
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bool waiting_buffer_enq(keyrecord_t record)
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{
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if (IS_NOEVENT(record.event)) {
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return true;
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}
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if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
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debug("waiting_buffer_enq: Over flow.\n");
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return false;
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}
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waiting_buffer[waiting_buffer_head] = record;
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waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
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debug("waiting_buffer_enq: "); debug_waiting_buffer();
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return true;
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}
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void waiting_buffer_clear(void)
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{
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waiting_buffer_head = 0;
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waiting_buffer_tail = 0;
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}
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bool waiting_buffer_typed(keyevent_t event)
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{
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for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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if (KEYEQ(event.key, waiting_buffer[i].event.key) && event.pressed != waiting_buffer[i].event.pressed) {
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return true;
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}
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}
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return false;
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}
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__attribute__((unused))
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bool waiting_buffer_has_anykey_pressed(void)
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{
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for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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if (waiting_buffer[i].event.pressed) return true;
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}
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return false;
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}
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/* scan buffer for tapping */
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void waiting_buffer_scan_tap(void)
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{
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// tapping already is settled
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if (tapping_key.tap.count > 0) return;
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// invalid state: tapping_key released && tap.count == 0
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if (!tapping_key.event.pressed) return;
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for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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if (IS_TAPPING_KEY(waiting_buffer[i].event.key) &&
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!waiting_buffer[i].event.pressed &&
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WITHIN_TAPPING_TERM(waiting_buffer[i].event)) {
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tapping_key.tap.count = 1;
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waiting_buffer[i].tap.count = 1;
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process_record(&tapping_key);
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debug("waiting_buffer_scan_tap: found at ["); debug_dec(i); debug("]\n");
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debug_waiting_buffer();
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return;
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}
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}
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}
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/*
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* debug print
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*/
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static void debug_tapping_key(void)
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{
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debug("TAPPING_KEY="); debug_record(tapping_key); debug("\n");
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}
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static void debug_waiting_buffer(void)
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{
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debug("{ ");
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for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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debug("["); debug_dec(i); debug("]="); debug_record(waiting_buffer[i]); debug(" ");
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}
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debug("}\n");
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}
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#endif
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